A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Find the 8 in the below-given Image.

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?